How to combine "Object-to-XML (OXM)" and "Direct to XML Type" mapping?

hi
If I have an XMLType column in my table (wich I can map using TopLink) and I have defined the structure of the contents of this XMLType column using XML Schema (wich I can map using Toplink), how can I combine both types of TopLink mappings "as transparently as possible"?
for "Object-to-XML (OXM)" mapping
see http://www.oracle.com/technology/products/ias/toplink/technical/tips/ox/index.htm
for "Direct to XML Type" mapping
see http://www.oracle.com/technology/products/ias/toplink/doc/1013/main/_html/relmapun004.htm#CHDFIFEF
thanks
Jan Vervecken

Thanks for your reply James Sutherland.
Although I haven't used a "TopLink Converter" before, this seems like a good idea.
The thing is that the "TopLink Workbench Editor" for my "Direct to XML Type" mapping doesn't have a "Converter" tab, some other mapping type editors do have such a "Converter" tab.
I'm not sure if I completely understand how such a "TopLink Converter" is supposed to work. How many attributes do I need in the "XMLRow" Java object for the "MY_XML" column in the "XML_TABLE" table I try to map to?
I suppose I should try to get a situation where the "XMLRow" Java object has an "myXML" attribute of Java class type "MyXML" (where "MyXML" has been mapped to an XML Schema), not?
So do I also still need an attribute "myXMLDocument" of type org.w3c.dom.Document as I do now for the "Direct to XML Type" mapping?
Oh, by the way ... for anyone who hits this forum thread looking for the reason why the TopLink Workbench reports the problem "Attribute must be assignable to java.lang.String, org.w3c.dom.Document, or org.w3c.Node" while your attribute is of such a type, read this forum post
Re: Toplink WB 10.1.3 - Aggregate field mapping bug and XMLType question
For me the "Direct to XML Type" mapping works fine, just ignoring the waring. This is supposed to be bug number 5071250.
thanks
Jan Vervecken

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